Layman

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Layman is an "overlay" external repository management tool.

Installation

root # emerge layman

make.conf must source laymans overlays for emerge to pull in packages from external sources. This line needs to be below everything else in make.conf.

root # echo "source /var/lib/layman/make.conf" >> /etc/portage/make.conf

Using Layman

Fetch, and display a list of overlays:

root # layman -L

Add an overlay to your system:

root # layman -a <overlay name>

Delete an overlay from your system:

root # layman -d <overlay name>

Masking Overlay Packages

Overlays have the power to override distro packages. To avoid conflicts, mask everything in the overlay, and unmask the packages that are necessary to your system.

/etc/portage/package.mask - mask all packages in an overlay

*/*::overlay-name

/etc/portage/package.unmask - unmask packages to be used

cat-egory/pack-age1
cat-egory/pack-age2

Sync

Sync a specific overlays ebuilds:

root # layman -s <overlay name>

Sync all overlays:

root # layman -S

Sync all overlays via eix:

root # eix-sync

Troubleshooting

Problem: Warning: an installed db file was not found at: ['/var/lib/layman/cache***.xml']

Solution:

root # layman -L

Package:Layman